NEC NP-P451X Installation And Assembly Manual

ISSUED: 10-01-10 SHEET #: 056-9034-4 07-29-11
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g. 3.1
Installation to Concrete Ceilings
Placeprojectormountassembly(A)onceiling
asatemplateandmarkthecenterofthetwo
mountingholes.Drilltwo5/16"(8mm)dia.holes
toaminimumdepthof2-1/2"(64mm).Attach
projectormountassembly(A)usingtwoconcrete
anchors(G),twoatwashers(E),andtwo#14x
2-1/2"woodscrews(F)asshowningure 3.1.
NOTE: Mountingslotsonprojectormount
assemblyallowfor30°(±15°)ofswiveladjustment
beforefullysecuringwoodscrews.
Tightenwoodscrews(F)using3/8"(10mm)socket
oropenendwrenchorphillipsscrewdriveruntil
projectormountassembly(A)isrmlyattached.
3
• Concretemustbe2000psidensityminimum.Lighterdensityconcretemaynotholdconcreteanchor.
• Makesurethatthesupportingsurfacewillsafelysupportthecombinedloadoftheequipmentandallattached
hardwareandcomponents.
WARNING
• Alwaysattachconcreteanchorsdirectlytoload-
bearingconcrete.
• Neverattachconcreteanchorstoconcretecovered
withplaster,drywall,orothernishingmaterial.
Ifmountingtoconcretesurfacescoveredwitha
nishingsurfaceisunavoidable(notevaluatedby
UL),thenishingsurfacemustbecounterbored
asshownbelow.Besureconcreteanchorsdonot
pullawayfromconcretewhentighteningscrews.If
plaster/drywallisthickerthan5/8",customfasteners
mustbesuppliedbyinstaller(notevaluatedbyUL).
WARNING
• Tightenwoodscrewsrmly,butdonotovertighten.
Overtighteningcandamagethescrews,greatly
reducingtheirholdingpower.
• Nevertighteninexcessof80in•lb(9N.M.).
WARNING
CUTAWAY VIEW
A
CORRECT
plaster/
drywall
concrete
INCORRECT
plaster/
drywall
concrete
A
G
F
E
A
CONCRETECEILING
ARROWONTOP
OFPROJECTOR
MOUNTASSEMBLY
INDICATESFRONT
OFMOUNT
1
3
G
Drillholesandinsertanchors(G).
Placeplate(A)overanchors(G)andsecurewithscrews(F).
Tightenallfasteners.
2
G
A
F E
concrete
surface

NEC NP-P451X Specifications

General

Brand	NEC
Model	NP-P451X
Category	Projector
Language	English